Solar water heating systems auxiliary heat.

太阳能供热水。

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As a new PVC auxiliary heat stabilizer, DBM has the advantage of high light transmittance, non-toxic and tasteless;

做为新型PVC辅助热稳定剂，其透光度高，无毒无味；

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The forms of different auxiliary heat sources in the air conditioning system of water loop heat pump are introduced.

介绍了地表水水源热泵工程中两种常用的辅助热源形式，指出辅助热源的布置形式影响着系统运行的经济性。

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Solar thermal heat is ideal as an auxiliary system to existing furnaces and hot water systems -your furnace or water heater operates exactly the same as it always has, coming on and running in response to thermostat settings to keep your house or water heated to the thermostat setting.

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